Why do English people talk so often about the weather when they start a talk? — Because the weather is a(n) ________ topic (话题).

—Did you have a wonderful time at the party?—Yes, it’s         one I’ve ever been to before.

—Do you like our English teacher? —Yes. I think his class is very ________.

 —What do you think of the film “Life of Pi”?—I think it’s _______ ,but someone thinks it’s __________ . 

Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.